HMP8116 Datasheet, PDF (4/43 Pages) Intersil Corporation – NTSC/PAL Video Decoder

Functional Block Diagram (Continued)
CLK
(24.54, 27.0 or 29.5MHz)
HUE
ADJUST
VSYNC
DETECT
FIELD
VSYNC
GENLOCK LOSS
4FSC
CLOCK CHROMA
PLL NCO
CHROMA
PLL LOOP
FILTER
CHROMA
PHASE
DETECTOR
HSYNC HSYNC
DETECT
CLK TO
4FSC RATIO
AGC
ADJUST
CR[7:0]
C
C,CVBS
DATA
M
U
X
C,CVBS
C DATA
DATA
LINE
DELAY
CHROMA
U,V
COMB
FILTER
DEMODULATOR
Y,CVBS
INPUT
SAMPLE
RATE
CONVERTER
Y DATA
Y DATA
HORIZONTAL
M ^{Y DATA} _{AND VERTICAL}
Y DATA
U
X
SHARPNESS
ADJUST
SATURATION
ADJUST
U, V TO CbCr
COLOR
SPACE
CONVERTER
AND COLOR
KILLER
CHROMA
TRAP
LINE LOCKED
PLL LOOP FILTER
LINE LOCKED
NCO
LP FILTER
CbCr
ENABLE
OUTPUT
SAMPLE
RATE
CONVERTER
Y
VBI DETECTION
& DECODING LOGIC
ENABLE
M
SHARPNESS
U
X
ADJUST
LP FILTER
STANDARD
SELECT
LOCKED
SYNC
STRIPPER,
BRIGHTNESS,
& CONTRAST
ADJUST
RGB
LOGIC
MUX
MUX
ENABLE
P[15:0]
HSYNC,VSYNC, BLANK,
FIELD, DVALID, VBIVALID
OUTPUT
TIMING
AND
FIFO